I just noticed that the oldest result I have is from Nov 4th this year -- I've been running BOINC with E@H for months...
All projects delete results from the web pages after some period of time. The credits are still there, and the canonical result is still in the science database, but there just isn't enough disk space to keep the details for every result for every host online forever.
Two weeks seems to be the "average" retention time, although I've seen one small project go three months, and (once, briefly, when something was messed up on that project...) another where results were only there for about 20 minutes once credit was granted.
Missing work stats
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All projects delete results from the web pages after some period of time. The credits are still there, and the canonical result is still in the science database, but there just isn't enough disk space to keep the details for every result for every host online forever.
Two weeks seems to be the "average" retention time, although I've seen one small project go three months, and (once, briefly, when something was messed up on that project...) another where results were only there for about 20 minutes once credit was granted.